Intel Core i5-6685R vs AMD EPYC 7551P
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CPU comparison with benchmarks
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| Intel Core i5-6685R | AMD EPYC 7551P | |
CPU comparisonIntel Core i5-6685R or AMD EPYC 7551P - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The Intel Core i5-6685R has 4 cores with 4 threads and clocks with a maximum frequency of 3.80 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Core i5-6685R was released in Q2/2016. The AMD EPYC 7551P has 32 cores with 64 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7551P was released in Q3/2017. |
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| Intel Core i5 (331) | Family | AMD EPYC (129) |
| Intel Core i 6000 (24) | CPU group | AMD EPYC 7001 (12) |
| 6 | Generation | 1 |
| Skylake S | Architecture | Naples (Zen) |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i5-6685R is a 4 core processor with a clock frequency of 3.20 GHz (3.80 GHz). The AMD EPYC 7551P has 32 CPU cores with a clock frequency of 2.00 GHz (3.00 GHz). |
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| Intel Core i5-6685R | Characteristic | AMD EPYC 7551P |
| 4 | Cores | 32 |
| 4 | Threads | 64 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 3.20 GHz | Frequency | 2.00 GHz |
| 3.80 GHz | Turbo Frequency (1 Core) | 3.00 GHz |
| 3.40 GHz | Turbo Frequency (All Cores) | 2.55 GHz |
Integrated graphics (iGPU)The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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| Intel Iris Pro Graphics 580 | GPU | no iGPU |
| 0.35 GHz | GPU frequency | -- |
| 1.15 GHz | GPU (Turbo) | -- |
| 9 | GPU Generation | -- |
| 14 nm | Technology | |
| 3 | Max. displays | |
| 72 | Compute units | -- |
| 576 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 32 GB | Max. GPU Memory | -- |
| 12.0 | DirectX Version | -- |
Hardware codec supportA photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos. |
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| Intel Iris Pro Graphics 580 | GPU | no iGPU |
| Decode / Encode | Codec h265 / HEVC (8 bit) | No |
| Decode | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | No |
| Decode | Codec VP9 | No |
| Decode / Encode | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode / Encode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe Intel Core i5-6685R supports a maximum of 64 GB of memory in 2 memory channels. The AMD EPYC 7551P can connect up to GB of memory in 8 memory channels. |
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| Intel Core i5-6685R | Characteristic | AMD EPYC 7551P |
| DDR4-2133 | Memory | DDR4-2666 |
| 64 GB | Max. Memory | |
| 2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
| 34.1 GB/s | Max. Bandwidth | 170.6 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | -- |
| 6.00 MB | L3 Cache | 64.00 MB |
| 3.0 | PCIe version | 3.0 |
| 16 | PCIe lanes | 128 |
| 15.8 GB/s | PCIe Bandwidth | 126.1 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i5-6685R has a TDP of 65 W, that of the AMD EPYC 7551P is 180 W. |
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| Intel Core i5-6685R | Characteristic | AMD EPYC 7551P |
| 65 W | TDP (PL1 / PBP) | 180 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe Intel Core i5-6685R has a 6.00 MB cache, while the AMD EPYC 7551P cache has a total of 64.00 MB. |
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| Intel Core i5-6685R | Characteristic | AMD EPYC 7551P |
| 14 nm | Technology | 14 nm |
| Monolithic | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| BGA 1440 | Socket | SP3 |
| VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q2/2016 | Release date | Q3/2017 |
| -- | Release price | 2750 $ |
| show more data | show more data | |
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32C 64T @ 2.00 GHz (3.00 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 CPU benchmarks
Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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Intel Core i5-6685R
4C 4T @ 3.80 GHz |
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AMD EPYC 7551P
32C 64T @ 3.00 GHz |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Core i5-6685R
4C 4T @ 3.40 GHz |
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AMD EPYC 7551P
32C 64T @ 2.55 GHz |
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Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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Intel Core i5-6685R
4C 4T @ 3.40 GHz |
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AMD EPYC 7551P
32C 64T @ 2.55 GHz |
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Cinebench R15 (Single-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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Intel Core i5-6685R
4C 4T @ 3.80 GHz |
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AMD EPYC 7551P
32C 64T @ 3.00 GHz |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Core i5-6685R
4C 4T @ 3.40 GHz |
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AMD EPYC 7551P
32C 64T @ 2.55 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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Intel Core i5-6685R
4C 4T @ 3.80 GHz |
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AMD EPYC 7551P
32C 64T @ 3.00 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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Intel Core i5-6685R
4C 4T @ 3.40 GHz |
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AMD EPYC 7551P
32C 64T @ 2.55 GHz |
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iGPU - FP32 Performance (Single-precision GFLOPS)
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
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Intel Core i5-6685R
Intel Iris Pro Graphics 580 @ 1.15 GHz |
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AMD EPYC 7551P
@ 0.00 GHz |
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Devices using this processor |
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| Intel Core i5-6685R | AMD EPYC 7551P |
| Unknown | Unknown |
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